The is the difference between the greatest and least number in a set of numbers.

3(10x-y)-5(x-y^2) need this solved asap

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?

Choose the more precise measurement. 26.4 cm or 8.39 cm